Variant 1
ECU- Catalog engine
- 3500 310HP
- Controller brand
- DENSO
- ECU
- GEN1
- Stock power
- 310 HP
- ECU SW
- 89663-30A90
- SW upgrade
- 330A9000
- Calibration
- 330A9000
LEXUS · GEN1 ECU
LEXUS GS 350 GEN1 tuning files
Tuning file coverage for the LEXUS GS 350 running the GEN1 ECU. Stock output across the matched variants spans 310–310 HP. 5 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Solutions that apply to the GEN1 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
5 distinct variants for the LEXUS GS 350 on the GEN1 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3500 310HP
- Controller brand
- DENSO
- ECU
- GEN1
- Stock power
- 310 HP
- ECU SW
- 89663-30F51
- SW upgrade
- 330F5100
- Calibration
- 330F5100
Variant 3
ECU- Catalog engine
- 3500 310HP
- Controller brand
- DENSO
- ECU
- GEN1
- Stock power
- 310 HP
- ECU SW
- 89663-30F71
- SW upgrade
- 330F7100
- Calibration
- 330F7100
Variant 4
ECU- Catalog engine
- 3500 310HP
- Controller brand
- DENSO
- ECU
- GEN1
- Stock power
- 310 HP
- ECU SW
- 89663-30F72
- SW upgrade
- 330F7200
- Calibration
- 330F7200
Variant 5
ECU- Catalog engine
- 3500 310HP
- Controller brand
- DENSO
- ECU
- GEN1
- Stock power
- 310 HP
- ECU SW
- 89663-53273
- SW upgrade
- 35327300
- Calibration
- 35327300
Related vehicles
Other vehicles built on the GEN1 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the LEXUS GS 350 on the GEN1?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the GEN1 ECU software on this model?
Yes — the LEXUS GS 350 on the GEN1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.